Denver to Seattle

DENSEA

Fly from Denver to Seattle starting at USD 80 with United Airlines.Best fare available on Nov 1, 2026.Limited seats. Better plans. Book before it's gone.

Denver to Seattle cheapest flights this week

9 Oct
Frontier Airlines
13:07DEN
16:12SEA
DirectUSD 180VIEW DEAL
10 Oct
Frontier Airlines
18:42DEN
09:58SEA
1 StopUSD 156VIEW DEAL
11 Oct
Frontier Airlines
13:07DEN
16:12SEA
DirectUSD 142VIEW DEAL
11 Oct
Frontier Airlines
22:29DEN
21:11SEA
1 StopUSD 184VIEW DEAL
12 Oct
Frontier Airlines
13:07DEN
16:12SEA
DirectUSD 172VIEW DEAL
13 Oct
Frontier Airlines
13:07DEN
16:12SEA
DirectUSD 91VIEW DEAL
14 Oct
Frontier Airlines
13:07DEN
16:12SEA
DirectUSD 168VIEW DEAL
1 Nov
United Airlines
07:40DEN
10:47SEA
DirectUSD 80VIEW DEAL
8 Nov
Frontier Airlines
22:55DEN
19:54SEA
1 StopUSD 167VIEW DEAL
23 Nov
Frontier Airlines
06:42DEN
13:37SEA
1 StopUSD 145VIEW DEAL

Denver to Seattle monthly flight fare trend

Oct
from USD 91
Nov
from USD 80
Dec
from USD 107
Jan
from USD 159
Feb
No flights
Mar
from USD 164

Airport Details

Origin

Denver

Denver International Airport (DEN)

Denver, DEN
Zone

Denver

Elev

5431 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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